Dispenser unit for non-gaseous flowable material
US6374825B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 8, 1999 |
| Grant date | Apr 23, 2002 |
| Priority date | — |
| Expiry date | Sep 8, 2019 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB67D3/0041
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A dispenser unit for a non-gaseous flowable material has a holder for the flowable material with an aperture therein through which the material can be transferred between into and out of the holder, and a flow meter for measuring flow of the material during transfer. The flow meter has a sensor, for example a differential pressure meter which determines a pressure difference between two locations which are vertically spaced from each other within the holder, one above and one below the surface of the material, at a number of times during the transfer. The meter emits a signal indicative of the flow from a calculation of the rate of change of the determined pressure difference.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.